Betty works on plans for Sally's future. 

Pete's mother visits the office. She's bonkers.

Sylvia and Arnold's son wants to skirt the draft and run to Canada with Megan's help.

Ted shows a shade of jealousy watching Pete and Peggy laugh together.

Arnold and Don go out to dinner to talk about Mitchell.

Ted's wife confronts him about not being home enough.

The rivalry between Ted and Don is getting comedic.

Ted agrees to help Mitchell.

Bob Benson makes a pass on Pete.

Sally catches Don and Sylvia having sex.